ISO 1871:1975
Agricultural food products — General directions for the determination of nitrogen by the Kjeldahl method
| Fecha edición: |
2009-08-14
Anulada
|
|---|---|
| Fecha cancelación: | 2009-08-14 |
| Idiomas disponibles: | Francés, Inglés |
| Resumen: | Application to products containing only nitrogenous copounds which are directly determinable by the Kjeldahl method. The method consists in destructing of organic matter by sulphuric acid in the presence of a catalyst, rendering of the reaction product alkaline, distillation and titration of the liberated ammonia. |
| ICS: | 67.050 - Métodos generales de análisis y de ensayo de productos alimenticios |
| CTN: | ISO/TC 34 - 47858 |
|
Anulaciones Normas |
Es anulada por ISO 1871:2009 |










